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Finding the Fourth Proportional to 239,700.28, 359,687.73 and 97,519.30

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Solution

The fourth proportional to 239,700.28, 359,687.73 and 97,519.30 is: 146,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,700.28 : 359,687.73 = 97,519.30 : x
  2. Step 2: Convert to fraction form
    239,700.28/359,687.73 = 97,519.30/x
  3. Step 3: Cross multiply
    239,700.28x = 359,687.73 × 97,519.30
  4. Step 4: Simplify right side
    239,700.28x = 35,076,495,648.19
  5. Step 5: Solve for x
    x = 35,076,495,648.19/239,700.28
  6. Step 6: Final answer
    x = 146,334.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.